Santa Filomena Mining Unit · Sancos, Ayacucho
Minera SOTRAMI · Mining with a human face
We are a gold mining company with 39 years of continuous operation in Sancos, Ayacucho, founded in 1987 as a miners' workers society.
We integrate underground mining, formal sourcing from small-scale producers, and our own processing plant to export certified gold to Switzerland.
History and approach- Location
- Ayacucho
- Sancos District, Lucanas Province.
- Altitude
- 2,450 m a.s.l.
- Santa Filomena Mining Unit, with its own plant 10 km from the mine.
Certified ethical gold
92% of our output is exported as Fairtrade, RJC, and Swiss Better Gold certified gold.
Safety culture
Prevention and care for people in every task at the mine and the plant.
Shared value
USD 1.54 million in Fairtrade Premium invested in power, drinking water, and education in 2023.
Certified ethical gold
From Sancos to Switzerland, fully traceable
We sell directly to accredited Swiss refineries (Argor-Heraeus and Valcambi), which supply responsible jewellery and watchmaking across Europe.
- RJC
- ICMI
- FAIRTRADE
- SBGA
- MINAM ★
SOTRAMI team at the mining unit
Mining with a human face
We are 167 partners, 607 direct employees, and more than 1,000 miners working with due diligence, ore traceability, and zero child labour.
Meet usProduction chain
We process ore through five integrated stages, from the mine to the doré bar:
01 / 05
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Stage 01
Underground Mining & REINFO Sourcing
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Stage 02
Assaying, Crushing & Wet Grinding
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Stage 03
Tank Leaching & Low-Grade PAD
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Stage 04
Desorption & Electrowinning
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Stage 05
Doré Smelting & Swiss Export
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Fine gold produced · 2023
1,283.22kg Au
92% exported as certified ethical gold · 94.06% metallurgical recovery
★ Awarded
First star, Peru Carbon Footprint (MINAM)
● Certified
International Cyanide Management Code (ICMI)
